Season 08, Episode 05 – “Kama’oma’o, ka ‘aina huli hana (At Kama’oma’o, The Land of Activities)”
Five-0 investigates a string of murders on Halloween that mirror stories from well-known Hawaiian folklore. Meanwhile, Grover is called to visit a man hours away from execution who may hold the key to a case that has plagued Grover for years.